I would not hesitate to recommend Kevin if you are considering applying for your Luxembourg dual citizenship.  Kevin was able to seamlessly guide me and my two sons through the intricacies of both the Stage 1 Process to obtain our qualifying original certificate from the Ministry of Justice as well as the Stage 2 Process, which required numerous documents both in English and French translations.  Kevin explains everything very completely and concisely and follows up to make sure you are on track to get what you need, when you need it.  The attached picture shows five of us from three generations in front of the Bierger-Center after we were quickly processed in less than an hour after arrival.  The people at the Bierger-Center know Kevin personally and commented that his applicants come prepared to make it easy for everyone involved.